299938421405 has 16 divisors (see below), whose sum is σ = 413475446784. Its totient is φ = 204606397440.

The previous prime is 299938421389. The next prime is 299938421417. The reversal of 299938421405 is 504124839992.

It is not a de Polignac number, because 299938421405 - 2⁴ = 299938421389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22194461 + ... + 22207970.

It is an arithmetic number, because the mean of its divisors is an integer number (25842215424).

Almost surely, 2^299938421405 is an apocalyptic number.

It is an amenable number.

299938421405 is a deficient number, since it is larger than the sum of its proper divisors (113537025379).

299938421405 is a wasteful number, since it uses less digits than its factorization.

299938421405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44402636.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 299938421405 in words is "two hundred ninety-nine billion, nine hundred thirty-eight million, four hundred twenty-one thousand, four hundred five".